Leilac’s technology was initially aimed at cement sector
Heirloom to market lime-based DAC technology
US technology company signs MoU to use calcination process initially developed to abate cement industry emissions
US technology company Heirloom plans to market the first direct air capture (DAC) system using a CO₂ separation process initially used to abate emissions in the cement industry. Heirloom, the backers of which include Bill Gates’ Breakthrough Energy Ventures, has signed a memorandum of understanding (MoU) with US decarbonisation company Leilac to use its electric kiln technology under licence in a lime-based DAC process. Heirloom’s process uses lime in a novel carbonation process to directly capture CO₂ from the air and form limestone. This process accelerates the natural binding of CO₂ and lime from a period of years to just three days. After binding, the reformed limestone is fed back into
Also in this section
22 July 2025
Sinopec hosts launch of global sharing platform as Beijing looks to draw on international investors and expertise
22 July 2025
Africa’s most populous nation puts cap-and-trade and voluntary markets at the centre of its emerging strategy to achieve net zero by 2060
17 July 2025
Oil and gas companies will face penalties if they fail to reach the EU’s binding CO₂ injection targets for 2030, but they could also risk building underused and unprofitable CCS infrastructure
9 July 2025
Latin American country plans a cap-and-trade system and supports the scale-up of CCS as it prepares to host COP30
